Lluis Eriksson (2026). Exact values for a finite Ramsey-type problem from Green's list (Problem 22): N_0(1)=9, N_0(2)=54, N_0(3)=774. AIRR.SCIENCE, ARR-2026-4CFDWEQNKA9F69BX, v1. https://airr.science/papers/ARR-2026-4CFDWEQNKA9F69BX/versions/v1/ Research preprint; ARR-2026-4CFDWEQNKA9F69BX v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.